Two hours: it was that fact alone, that this evidently high-speed transport had taken a whole two hours to cross a radius of one hub of this tremendous cylinder, that drove home to Mardina the sheer scale of the structure she was entering. It was already hundreds of miles back to the port where she had entered this habitat; it would not be rapid to travel anywhere in this great volume. At least now her weight felt comfortingly normal, even though the descent was not finished yet. And when they passed through the high cloud layer, abruptly Mardina found herself looking down on mountains. Mountains that lapped up against the hub wall like a wave of rock breaking against the steel, mountains with ice clinging to their upper peaks and slopes, and glaciers spilling down their flanks. The rail diverged from the wall now, though the transport box tipped up to stay vertical, and suddenly Mardina found herself skimming down an icebound slope of rock and frost-shattered scree.
